#1B8B4F#1B8B4F

#1B8B4F is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.133 H 153.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B4F
RGB	rgb(27, 139, 79)
HSL	hsl(148, 67%, 33%)
HSV	hsv(148, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 43.2%, 45.5%)
CIE-LAB	lab(50.99, -44.40, 23.70)
CIE-LCH	lch(50.99, 50.33, 151.90°)
OKLab	oklab(56.24% -0.1194 0.0587)
OKLCH	oklch(56.24% 0.133 153.8)
XYZ	xyz(11.0949, 19.2614, 10.5287)
Luminance	0.1926 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B4F #8B1B57

analogous

#1F8B1B #1B8B4F #1B8B87

triadic

#1B8B4F #4F1B8B #8B4F1B

tetradic

#1B8B4F #1B1F8B #8B1B57 #8B871B

square

#1B8B4F #1B1F8B #8B1B57 #8B871B

split-complementary

#1B8B4F #871B8B #8B1B1F

monochromatic

#072515 #115832 #1B8B4F #25BE6C #45DB8B

Accessibility & contrast

On white

4.33

#1B8B4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#1B8B4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B4F

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B4F	#FFFFFF	#000000	##000000
##1B8B4F	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F4B

Deuteranopia (green-blind)

#7E7653

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b4f;
/* rgb */ color: rgb(27, 139, 79);
/* oklch */ color: oklch(56.2% 0.133 153.8);

Tailwind

colors: {
  custom: {
    50: '#6bae81',
    500: '#1b8b4f',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b4f;
$custom-light: #6bae81;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b4f",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 79
  },
  "hsl": {
    "h": 147.857,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56244,
    "c": 0.13311,
    "h": 153.8
  },
  "luminance": 0.19263
}

Semantic roles & 50–950 ramp

primary

#1B8B4F

secondary

#BC4585

accent

#3D9AEA

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #1B8B4F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →